tui Save Frieze-Dennison Vergil tuī, ōrum, m.: your friends, kinsmen, countrymen, descendants, etc., 3.488; freq. (tuus) Found Tui with different capitalization. Tui possessive pronoun masculine genitive singular, possessive pronoun masculine vocative plural, possessive pronoun neuter genitive singular, possessive pronoun masculine nominative plural of tuus Tui pronoun genitive singular of tu See Tui in Morpho Gaffiot 2016 tŭī, (9) gén. de tu.